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Key Skills

Key Skills. ICAA Key Skills Test – Friday 6 th May 2011. Superscript. To make a character smaller than the rest of the text and it appears above the normal line of text e.g. 90 o Highlight text Format Font Select superscript. Subscript.

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Key Skills

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  1. Key Skills ICAA Key Skills Test – Friday 6 th May 2011

  2. Superscript To make a character smaller than the rest of the text and it appears above the normal line of text e.g. 90o • Highlight text • Format Font • Select superscript

  3. Subscript To make a character smaller than the rest of the text and it appears below the normal line of text e.g. H2o • Highlight text • Format Font • Select subscript

  4. Italic Text that slopes to the right. Used to emphasise text e.g. Italic • Highlight text • Select

  5. Bold Make text stand out by making it thicker and darker e.g. Bold • Highlight text • Select

  6. Underline • Text used for headings and title e.g. Title • Highlight text • Select

  7. Alignment To position text to the left, right or centre of the page • Highlight text • Select your choice of left, right or centre alignment

  8. Justify Text is made to fit between two margins making the margins on both sides straight e.g • Highlight text • Select Justify

  9. Line spacing To alter the space between lines of text to be close together or further apart. • Highlight text • Select Format then Paragraph • Select line spacing needed

  10. Margins This is the space at the top, bottom and sides of the space. They are to place the text away from the edges of the page. • Go to File, Page Setup • Adjust margins as needed

  11. Tabulation (Tabs) Used to line up text or items on a page • Use the tab button on the keyboard to line up text or items • You can control how far the cursor moves when you press the tab button • Select Format, Tabs

  12. Tabs cont….. • In the Tab Stop Position type in the number of cms indent that you need e.g 3cm • Select Set and OK

  13. Tabs cont… • See on the ruler of your document L shapes that indicate that your indent has been set (L for left indent) • Use you tab key to move items to be in line with these L shapes

  14. Header and footer Header is space at the top of the page. Footer is the space at the bottom of the page. They are used to place text, images or page numbers to be shown on every page. • View, Header and Footer • Insert information (e.g. name, form) • The tool bar can be used to insert page numbers and date)

  15. Page Orientation Can be either Portrait Or Landscape • Select File, Page Setup • Select Portrait or Landscape • Click OK

  16. Bullet Points Shows where a point in a list of information begins e.g. • Highlight text • Select • Points can also be numbered • You can also press this before you type the list

  17. Spreadsheets – Columns and Rows Rows go across the page and are numbered Columns go across and have letters Row cell Column Cells are each box in a spreadsheet

  18. Cell Reference Where a row and column meet is the ‘name’ or reference of a cell. They are used in formulas. Cell A1

  19. Formulae Sums written to carry out calculations on data held on cells. We use cell references NOT the actual data in the cell. =A1+ B2

  20. Functions Are formulas that are built into the software • Insert • Function • Select a function from the list

  21. Numeric Data Data entered into a spreadsheet is often numeric. It can be currency, integer, real, date/time • Format • Cells • Select type of number from list

  22. Operators Used in formulas to carry out calculations • + add • - subtract • * multiply • / divide • = equals • <less than • > greater than

  23. Absolute A formula set up with absolute cell references does not change when moved. E.g. if =B2+B5 is moved from B6 to B7 it stays as B2+B5. • Dollar sign is used in an absolute cell reference e.g ????

  24. Graphs and charts Used to give a graphical display of data. Can be bar, pie, line or scatter graphs. • Chart Wizard is used to create graphs

  25. Sorting Data can be sorted using selected row or columns. It can be sorted either alphabetically or numerically in ascending or descending order. • Ascending – 1,2,3,4,5, A,B,C,D,E • Descending – 5,4,3,2,1, E,D,C,B,A

  26. =SUM A function that adds together the values in a range of cells =SUM(B2:B7) This adds together the values in cells B2, B3,B4,B5,B6 and B7. This button can be used

  27. LOOKUPS Are functions that LOOKUP values in a pre-named table. They can be HLOOKUP (Horizontal Table) or VLOOKUP (Vertical Table) =HLOOKUP(C2,Marks,2) Look at row 2 of the marks table Look up in a horizontal table In a table named marks Cell C2

  28. MAX/MIN Function that return the maximum or minimum value in a given range. =MAX (C2:C7) would give the higher number from C2:C7

  29. =AVERAGE Function that returns the average of a range of cells =AVERAGE (C2:C7) returns the average from cells C2:C7.

  30. Databases - Relational Contains tables that are related and linked together. Saves time and memory when searching and sorting DVD Table Members table

  31. Databases – Flat file Contains only one table which hold all the information. Can be slow to process searches. All DVD and members details

  32. Fields These are the categories that make up a table in a database Surname is a field

  33. Records A table is made up of records – each person/item kept in the database is a record This is Clare’s record. There are 4 records in this table

  34. Data Types When entering field into a database you need to tell the database the TYPE of data that will be entered for that field • Data types are: • Text • Number • Currency • Date/Time • Alphanumeric • Multiple choice

  35. Key Field (Primary Key) Uniquely identifies a record No other record will have the same entry e.g NHS number

  36. Data collection How data is collected before it is entered into a database. Often paper based – questionnaires or membership forms It is can be manually entered into computer or through software called OMR (Optical Mark Reader)

  37. Validation Checks that the data entered in REALISTIC List check – data must come from a given list (Miss, Mr, Mrs) Range check – Data must be within a given range (0-18) Type check – Data must be a certain data type – number, character, etc Check digit – an extra digit is added to the end of a number so I can be verified using a calculation

  38. Validation A manual check that the data entered is the same as the original By visual check or double entry

  39. Passwords A code set in place to restrict access to data A strong password must include letters and number and be change regularly

  40. Encryption Encryption software scrambles data so that it cannot be read. An encryption key must be used to unscramble the data so it can be read

  41. Firewall Software that is used to stop access from computers with unknown IP addresses

  42. Images - Bitmap Images made up of pixels. Each pixel has a colour. Groups of pixels form shapes that are visible. Bitmap images cannot be stretched or re-sized as they become blurry

  43. Vector image Images that consist of lines and curves that are defined by vectors. They can be stretched and re-sized without losing quality

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